发明名称 |
Sealing device for a vacuum enclosure |
摘要 |
The sealing device is adapted to a vacuum enclosure which can be applied against a bearing surface and essentially comprises at least two concentric seals mounted in a support which is rigidly fixed to said enclosure and extending parallel to the bearing surface. One seal consists of a solid annular seal made of flexible material and placed near the outer edge of the enclosure. The other seal consists of a hollow and inflatable annular seal which is placed near the inner edge of the enclosure and is connected to a source of fluid under pressure by means of a closable duct.
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申请公布号 |
US4109922(A) |
申请公布日期 |
1978.08.29 |
申请号 |
US19770790884 |
申请日期 |
1977.04.26 |
申请人 |
SOUDURE AUTOGENE FRANCAISE |
发明人 |
MARTIN, PHILIPPE |
分类号 |
F16J15/10;B23K15/06;F04B37/16;F16J15/00;F16J15/46;H01J37/18;(IPC1-7):F16J15/10 |
主分类号 |
F16J15/10 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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